![AMEC SB-181 TX Switch Box [AMEC-SB181-010]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/1280x1280/products/22484/31846/114147XL__41885.1782159149.jpg?c=2 "AMEC SB-181 TX Switch Box [AMEC-SB181-010]")
SB-181 TX Switch Box
The TX Switch Box SB-181 is specifically made to work with AMEC AIS Class B transceivers, both the 2W and 5W series. With its simple and robust design, silent mode (AIS transmission disabled) can be activated easily.
Owner's Manual (pdf)
![AMEC CUBO-162 VHF Antenna Splitter [AMEC-S162-010]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/500x659/products/22477/31839/114133XL__64481.1782159132.jpg?c=2 "AMEC CUBO-162 VHF Antenna Splitter [AMEC-S162-010]")
![AMEC A750 Class A AIS Transceiver w\/4.3" Display [AMEC-A750-010]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/500x659/products/22474/31833/114130XL__11646.1782159122.jpg?c=2 "AMEC A750 Class A AIS Transceiver w\/4.3\" Display [AMEC-A750-010]")
![AMEC CYPHO-150S AIS Receiver w\/Built-In VHF Splitter [AMEC-R150S-012]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/500x659/products/22476/31837/114132XL__54281.1782159129.jpg?c=2 "AMEC CYPHO-150S AIS Receiver w\/Built-In VHF Splitter [AMEC-R150S-012]")
![AMEC P200-SO AIS Class B w\/Display [AMEC-P200SO-013]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/500x659/products/22478/31840/114134XL__27565.1782159135.jpg?c=2 "AMEC P200-SO AIS Class B w\/Display [AMEC-P200SO-013]")
![AMEC B620 Class B AIS Transceiver - 2W CSTDMA, NMEA2000, NMEA 0183, USB [AMEC-B620-010]](https://cdn11.bigcommerce.com/s-2c43f/images/stencil/500x659/products/22466/31817/114122XL__85878.1782159097.jpg?c=2 "AMEC B620 Class B AIS Transceiver - 2W CSTDMA, NMEA2000, NMEA 0183, USB [AMEC-B620-010]")